Home / 1,609,816.40-2,416,279.80-979,960.40

Finding the Fourth Proportional to 1,609,816.40, 2,416,279.80 and 979,960.40

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Solution

The fourth proportional to 1,609,816.40, 2,416,279.80 and 979,960.40 is: 1,470,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,816.40 : 2,416,279.80 = 979,960.40 : x
  2. Step 2: Convert to fraction form
    1,609,816.40/2,416,279.80 = 979,960.40/x
  3. Step 3: Cross multiply
    1,609,816.40x = 2,416,279.80 × 979,960.40
  4. Step 4: Simplify right side
    1,609,816.40x = 2,367,858,519,319.92
  5. Step 5: Solve for x
    x = 2,367,858,519,319.92/1,609,816.40
  6. Step 6: Final answer
    x = 1,470,887.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.